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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 992 · 40 sums
TalentJR

The trick (Yavadunam): Left part: the number + twice the difference. Middle part: 3 × the difference squared. Right part: the difference cubed. Each right-hand part has as many digits as the base has zeros — carry the extra, borrow if a part is negative.

NameDateTime takenScore ___ / 40
  1. 1.109³ =
  2. 2.1012³ =
  3. 3.92³ =
  4. 4.98³ =
  5. 5.107³ =
  6. 6.95³ =
  7. 7.92³ =
  8. 8.988³ =
  9. 9.980³ =
  10. 10.103³ =
  11. 11.101³ =
  12. 12.98³ =
  13. 13.99³ =
  14. 14.107³ =
  15. 15.987³ =
  16. 16.102³ =
  17. 17.94³ =
  18. 18.107³ =
  19. 19.109³ =
  20. 20.1016³ =
  21. 21.1020³ =
  22. 22.984³ =
  23. 23.1015³ =
  24. 24.999³ =
  25. 25.990³ =
  26. 26.91³ =
  27. 27.107³ =
  28. 28.1007³ =
  29. 29.1001³ =
  30. 30.986³ =
  31. 31.981³ =
  32. 32.984³ =
  33. 33.98³ =
  34. 34.1013³ =
  35. 35.93³ =
  36. 36.109³ =
  37. 37.995³ =
  38. 38.96³ =
  39. 39.999³ =
  40. 40.982³ =

Answer key

  1. 1295029
  2. 1036433728
  3. 778688
  4. 941192
  5. 1225043
  6. 857375
  7. 778688
  8. 964430272
  9. 941192000
  10. 1092727
  11. 1030301
  12. 941192
  13. 970299
  14. 1225043
  15. 961504803
  16. 1061208
  17. 830584
  18. 1225043
  19. 1295029
  20. 1048772096
  21. 1061208000
  22. 952763904
  23. 1045678375
  24. 997002999
  25. 970299000
  26. 753571
  27. 1225043
  28. 1021147343
  29. 1003003001
  30. 958585256
  31. 944076141
  32. 952763904
  33. 941192
  34. 1039509197
  35. 804357
  36. 1295029
  37. 985074875
  38. 884736
  39. 997002999
  40. 946966168

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